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Domain specifications will be used with guidance in this section and are organized with 1 specification per domain or dataset.All domain specifications begin with a description, expected name, and expectations for the record structure for the resulting dataset. A domain specification table follows to describe dataset variables and their attributes. Assumptions for the domain are also provided to further guide implementation. Domain specification tables are structured to present 1 row for each variable with columns to describe expected attributes of the variable in resulting datasets. The order of variables in a domain specification table reflects the expected order of variables in the resulting dataset.

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